Restructuring Expenses (Details Textual) (USD $)	1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 29, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Expenses (Textual) [Abstract]
One-time employee termination and other costs			$ 200,000
Restructuring Expenses (Additional Textual) [Abstract]
Percentage of Company's worldwide workforce				20.00%
Restructuring Charges for Reduction Workforce		2,200,000
Other than cash expenditure		400,000
Annualized savings	7,000,000
Estimated restructuring reserve		$ 1,665,000	$ 8,000	$ 1,665,000
Maximum [Member]
Restructuring Expenses (Textual) [Abstract]
Percentage of reduction of headcount	8.00%
Minimum [Member]
Restructuring Expenses (Textual) [Abstract]
Percentage of reduction of headcount	7.00%